Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.

Location:	Federal
Posted:	Feb 21, 2026
Due:	Mar 9, 2026
Agency:	DEPT OF DEFENSE
Type of Government:	Federal
Category:	F - Natural Resources and Conservation Services
Solicitation No:	W912WJ26BA008
Publication URL:	To access bid details, please log in.

Active

Contract Opportunity

Notice ID

W912WJ26BA008

Related Notice

Department/Ind. Agency

DEPT OF DEFENSE

Sub-tier

DEPT OF THE ARMY

Major Command

US ARMY CORPS OF ENGINEERS

Sub Command

ENGINEER DIVISION NORTH ATLANTIC

Sub Command 2

ENDIST NEW ENGLAND

Office

W2SD ENDIST NEW ENGLAND

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General Information View Changes

Contract Opportunity Type: Solicitation (Updated)
Updated Published Date: Feb 20, 2026 02:16 pm EST
Original Published Date: Jan 29, 2026 10:44 am EST
Updated Date Offers Due: Mar 09, 2026 01:00 pm EDT
Original Date Offers Due: Mar 02, 2026 01:00 pm EST
Inactive Policy: Manual
Updated Inactive Date: Mar 30, 2026
Original Inactive Date: Mar 30, 2026
Initiative:
- None

Classification

Original Set Aside: Total Small Business Set-Aside (FAR 19.5)
Product Service Code: F108 - ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION
NAICS Code:
- 562910 - Remediation Services
Place of Performance:

Description

Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.The general scope of work for the proposed contract involves installing a composite cap over an area of approximately 13 acres. The purpose of the cap is to limit infiltration through mine waste remaining after historical copper mine operations performed on the property. The mine waste consists of rock and rock-amended sediment previously consolidated and graded as part of recent and ongoing Superfund remediation activities. The expected components of the composite cap include in order from the surface: 12 inches crushed stone (3-inch minus), geocomposite drainage layer, 60-mil textured geomembrane (seam welded), and geofabric. Other activities to be performed under this contract may include installation of drainage features (e.g., swales, culverts, etc.), grading, seeding and stabilization of disturbed areas outside stone cover system, stockpile management, and wetland improvements.

Attachments/Links

Contact Information

Contracting Office Address

KO CONTRACTING DIVISION 696 VIRGINIA ROAD
CONCORD , MA 01742-2751
USA

Primary Point of Contact

Elizabeth Glasgow
elizabeth.k.glasgow@usace.army.mil
Phone Number 9783188671

Secondary Point of Contact

History

Feb 20, 2026 02:16 pm ESTSolicitation (Updated)
Jan 29, 2026 10:44 am EST Solicitation (Original)

Jan 29, 2026	[Solicitation (Original)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Feb 27, 2026	[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 2, 2026	[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 4, 2026	[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 9, 2026	[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 24, 2026	[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.

Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.

Related Document

See also